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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.197 by root, Sun Jan 28 00:20:02 2007 UTC

8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3 (); 13use Coro 3.5 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
44our @EVENT; 44our @EVENT;
45our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
46 46
47our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
49our $NEXT_TICK; 51our $NEXT_TICK;
50our $NOW; 52our $NOW;
51 53
52our %CFG; 54our %CFG;
53 55
54our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 57our $RUNTIME;
56 58
57our %PLAYER; # all users 59our %PLAYER; # all users
58our %MAP; # all maps 60our %MAP; # all maps
59our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
61 63
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66
67# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64 69
65binmode STDOUT; 70binmode STDOUT;
66binmode STDERR; 71binmode STDERR;
67 72
68# read virtual server time, if available 73# read virtual server time, if available
76mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
80 85
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
84 87
85############################################################################# 88#############################################################################
86 89
87=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
256} 259}
257 260
258sub freeze_mainloop { 261sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
260 263
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 264 my $guard = Coro::guard {
265 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 };
268 $WRITE_RUNTIME_WATCHER->stop;
262 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
263 $guard 270 $guard
264} 271}
265 272
266=item cf::async { BLOCK } 273=item cf::async { BLOCK }
342 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
343 350
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345 or return; 352 or return;
346 353
354 my $value = $cf::RUNTIME + 90 + 10;
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return; 359 and return;
350 360
351 aio_fsync $fh 361 aio_fsync $fh
352 and return; 362 and return;
361} 371}
362 372
363=back 373=back
364 374
365=cut 375=cut
366
367#############################################################################
368
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478 $path
479}
480
481# the original (read-only) location
482sub load_path {
483 my ($self) = @_;
484
485 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486}
487
488# the temporary/swap location
489sub save_path {
490 my ($self) = @_;
491
492 $self->{user_rel}
493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495}
496
497# the unique path, undef == no special unique path
498sub uniq_path {
499 my ($self) = @_;
500
501 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502}
503
504# this is somewhat ugly, but style maps do need special treatment
505sub is_style_map {
506 $_[0]{path} =~ m{^/styles/}
507}
508
509sub load_orig {
510 my ($self) = @_;
511
512 &cf::map::load_map_header ($self->load_path)
513}
514
515sub load_temp {
516 my ($self) = @_;
517
518 &cf::map::load_map_header ($self->save_path)
519}
520
521package cf;
522 376
523############################################################################# 377#############################################################################
524 378
525=head2 ATTACHABLE OBJECTS 379=head2 ATTACHABLE OBJECTS
526 380
652our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
653our @CB_MAP = (); 507our @CB_MAP = ();
654 508
655my %attachment; 509my %attachment;
656 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
657sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
658 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
659 519
660 use sort 'stable'; 520 use sort 'stable';
661 521
832# object support 692# object support
833 693
834sub reattach { 694sub reattach {
835 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
836 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837 699
838 my $registry = $obj->registry; 700 my $registry = $obj->registry;
839 701
840 @$registry = (); 702 @$registry = ();
841 703
1028 "package $pkg; use strict; use utf8;\n" 890 "package $pkg; use strict; use utf8;\n"
1029 . "#line 1 \"$path\"\n{\n" 891 . "#line 1 \"$path\"\n{\n"
1030 . (do { local $/; <$fh> }) 892 . (do { local $/; <$fh> })
1031 . "\n};\n1"; 893 . "\n};\n1";
1032 894
1033 eval $source 895 unless (eval $source) {
1034 or die $@ ? "$path: $@\n" 896 my $msg = $@ ? "$path: $@\n"
1035 : "extension disabled.\n"; 897 : "extension disabled.\n";
898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899 warn $@;
900 warn "mandatory extension failed to load, exiting.\n";
901 exit 1;
902 }
903 die $@;
904 }
1036 905
1037 push @EXTS, $pkg; 906 push @EXTS, $pkg;
1038} 907}
1039 908
1040sub load_extensions { 909sub load_extensions {
1046 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
1047 } 916 }
1048} 917}
1049 918
1050############################################################################# 919#############################################################################
1051# load/save/clean perl data associated with a map
1052
1053*cf::mapsupport::on_clean = sub {
1054 my ($map) = @_;
1055
1056 my $path = $map->tmpname;
1057 defined $path or return;
1058
1059 unlink "$path.pst";
1060};
1061
1062cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064#############################################################################
1065 920
1066=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
1067 922
1068Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
1069 924
1105 960
1106sub exists($) { 961sub exists($) {
1107 my ($login) = @_; 962 my ($login) = @_;
1108 963
1109 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
1110 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
1111} 966}
1112 967
1113sub find($) { 968sub find($) {
1114 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
1115 my $login = $_[0]; 970 my $login = $_[0];
1205 \@logins 1060 \@logins
1206} 1061}
1207 1062
1208=item $player->maps 1063=item $player->maps
1209 1064
1210Returns an arrayref of cf::path's of all maps that are private for this 1065Returns an arrayref of map paths that are private for this
1211player. May block. 1066player. May block.
1212 1067
1213=cut 1068=cut
1214 1069
1215sub maps($) { 1070sub maps($) {
1223 for (@$files) { 1078 for (@$files) {
1224 utf8::decode $_; 1079 utf8::decode $_;
1225 next if /\.(?:pl|pst)$/; 1080 next if /\.(?:pl|pst)$/;
1226 next unless /^$PATH_SEP/o; 1081 next unless /^$PATH_SEP/o;
1227 1082
1083 s/\.map$//;
1228 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1229 } 1085 }
1230 1086
1231 \@paths 1087 \@paths
1232} 1088}
1233 1089
1259package cf::map; 1115package cf::map;
1260 1116
1261use Fcntl; 1117use Fcntl;
1262use Coro::AIO; 1118use Coro::AIO;
1263 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1264our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1265our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1266 1126
1267sub generate_random_map { 1127sub generate_random_map {
1268 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1269
1270 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1271 cf::map::_create_random_map ( 1130 $self->_create_random_map (
1272 $path,
1273 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1277 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1282 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283 (cf::region::find $rmp->{region}), $rmp->{custom} 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1284 ) 1142 )
1285} 1143}
1286 1144
1145=item cf::map->register ($regex, $prio)
1146
1147Register a handler for the map path matching the given regex at the
1148givne priority (higher is better, built-in handlers have priority 0, the
1149default).
1150
1151=cut
1152
1153sub register {
1154 my (undef, $regex, $prio) = @_;
1155 my $pkg = caller;
1156
1157 no strict;
1158 push @{"$pkg\::ISA"}, __PACKAGE__;
1159
1160 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161}
1162
1163# also paths starting with '/'
1164$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1165
1166sub thawer_merge {
1167 my ($self, $merge) = @_;
1168
1169 # we have to keep some variables in memory intact
1170 local $self->{path};
1171 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174
1175 $self->SUPER::thawer_merge ($merge);
1176}
1177
1178sub normalise {
1179 my ($path, $base) = @_;
1180
1181 $path = "$path"; # make sure its a string
1182
1183 # map plan:
1184 #
1185 # /! non-realised random map exit (special hack!)
1186 # {... are special paths that are not being touched
1187 # ?xxx/... are special absolute paths
1188 # ?random/... random maps
1189 # /... normal maps
1190 # ~user/... per-player map of a specific user
1191
1192 $path =~ s/$PATH_SEP/\//go;
1193
1194 # treat it as relative path if it starts with
1195 # something that looks reasonable
1196 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1197 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1198
1199 $base =~ s{[^/]+/?$}{};
1200 $path = "$base/$path";
1201 }
1202
1203 for ($path) {
1204 redo if s{//}{/};
1205 redo if s{/\.?/}{/};
1206 redo if s{/[^/]+/\.\./}{/};
1207 }
1208
1209 $path
1210}
1211
1212sub new_from_path {
1213 my (undef, $path, $base) = @_;
1214
1215 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1216
1217 $path = normalise $path, $base;
1218
1219 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1220 if ($path =~ $EXT_MAP{$pkg}[1]) {
1221 my $self = bless cf::map::new, $pkg;
1222 $self->{path} = $path; $self->path ($path);
1223 $self->init; # pass $1 etc.
1224 return $self;
1225 }
1226 }
1227
1228 Carp::carp "unable to resolve path '$path' (base '$base').";
1229 ()
1230}
1231
1232sub init {
1233 my ($self) = @_;
1234
1235 $self
1236}
1237
1238sub as_string {
1239 my ($self) = @_;
1240
1241 "$self->{path}"
1242}
1243
1244# the displayed name, this is a one way mapping
1245sub visible_name {
1246 &as_string
1247}
1248
1249# the original (read-only) location
1250sub load_path {
1251 my ($self) = @_;
1252
1253 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1254}
1255
1256# the temporary/swap location
1257sub save_path {
1258 my ($self) = @_;
1259
1260 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1262}
1263
1264# the unique path, undef == no special unique path
1265sub uniq_path {
1266 my ($self) = @_;
1267
1268 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1270}
1271
1287# and all this just because we cannot iterate over 1272# and all this just because we cannot iterate over
1288# all maps in C++... 1273# all maps in C++...
1289sub change_all_map_light { 1274sub change_all_map_light {
1290 my ($change) = @_; 1275 my ($change) = @_;
1291 1276
1292 $_->change_map_light ($change) 1277 $_->change_map_light ($change)
1293 for grep $_->outdoor, values %cf::MAP; 1278 for grep $_->outdoor, values %cf::MAP;
1294} 1279}
1295 1280
1281sub unlink_save {
1282 my ($self) = @_;
1283
1284 utf8::encode (my $save = $self->save_path);
1285 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1286 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1287}
1288
1296sub load_map_header($) { 1289sub load_header_from($) {
1297 my ($path) = @_; 1290 my ($self, $path) = @_;
1298 1291
1299 utf8::encode $path; 1292 utf8::encode $path;
1300 aio_open $path, O_RDONLY, 0 1293 aio_open $path, O_RDONLY, 0
1301 or return; 1294 or return;
1302 1295
1303 my $map = cf::map::new 1296 $self->_load_header ($path)
1304 or return; 1297 or return;
1305 1298
1306 # for better error messages only, will be overwritten later 1299 $self->{load_path} = $path;
1307 $map->path ($path);
1308 1300
1309 $map->load_header ($path) 1301 1
1302}
1303
1304sub load_header_orig {
1305 my ($self) = @_;
1306
1307 $self->load_header_from ($self->load_path)
1308}
1309
1310sub load_header_temp {
1311 my ($self) = @_;
1312
1313 $self->load_header_from ($self->save_path)
1314}
1315
1316sub prepare_temp {
1317 my ($self) = @_;
1318
1319 $self->last_access ((delete $self->{last_access})
1320 || $cf::RUNTIME); #d#
1321 # safety
1322 $self->{instantiate_time} = $cf::RUNTIME
1323 if $self->{instantiate_time} > $cf::RUNTIME;
1324}
1325
1326sub prepare_orig {
1327 my ($self) = @_;
1328
1329 $self->{load_original} = 1;
1330 $self->{instantiate_time} = $cf::RUNTIME;
1331 $self->last_access ($cf::RUNTIME);
1332 $self->instantiate;
1333}
1334
1335sub load_header {
1336 my ($self) = @_;
1337
1338 if ($self->load_header_temp) {
1339 $self->prepare_temp;
1340 } else {
1341 $self->load_header_orig
1310 or return; 1342 or return;
1343 $self->prepare_orig;
1344 }
1311 1345
1312 $map->{load_path} = $path; 1346 1
1313
1314 $map
1315} 1347}
1316 1348
1317sub find; 1349sub find;
1318sub find { 1350sub find {
1319 my ($path, $origin) = @_; 1351 my ($path, $origin) = @_;
1320 1352
1321 #warn "find<$path,$origin>\n";#d#
1322
1323 $path = new cf::path $path, $origin && $origin->path; 1353 $path = normalise $path, $origin && $origin->path;
1324 my $key = $path->as_string;
1325 1354
1326 cf::lock_wait "map_find:$key"; 1355 cf::lock_wait "map_find:$path";
1327 1356
1328 $cf::MAP{$key} || do { 1357 $cf::MAP{$path} || do {
1329 my $guard = cf::lock_acquire "map_find:$key"; 1358 my $guard = cf::lock_acquire "map_find:$path";
1330 1359 my $map = new_from_path cf::map $path
1331 # do it the slow way
1332 my $map = $path->load_temp;
1333
1334 Coro::cede;
1335
1336 if ($map) {
1337 $map->last_access ((delete $map->{last_access})
1338 || $cf::RUNTIME); #d#
1339 # safety
1340 $map->{instantiate_time} = $cf::RUNTIME
1341 if $map->{instantiate_time} > $cf::RUNTIME;
1342 } else {
1343 $map = $path->load_orig
1344 or return; 1360 or return;
1345 1361
1346 $map->{load_original} = 1;
1347 $map->{instantiate_time} = $cf::RUNTIME;
1348 $map->last_access ($cf::RUNTIME);
1349 $map->instantiate;
1350
1351 # per-player maps become, after loading, normal maps
1352 $map->per_player (0) if $path->{user_rel};
1353 }
1354
1355 $map->path ($key);
1356 $map->{path} = $path;
1357 $map->{last_save} = $cf::RUNTIME; 1362 $map->{last_save} = $cf::RUNTIME;
1358 1363
1359 Coro::cede; 1364 $map->load_header
1365 or return;
1360 1366
1361 if ($map->should_reset) { 1367 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1368 # doing this can freeze the server in a sync job, obviously
1369 #$cf::WAIT_FOR_TICK->wait;
1362 $map->reset; 1370 $map->reset;
1363 undef $guard; 1371 undef $guard;
1364 $map = find $path 1372 return find $path;
1365 or return;
1366 } 1373 }
1367 1374
1368 $cf::MAP{$key} = $map 1375 $cf::MAP{$path} = $map
1369 } 1376 }
1370} 1377}
1378
1379sub pre_load { }
1380sub post_load { }
1371 1381
1372sub load { 1382sub load {
1373 my ($self) = @_; 1383 my ($self) = @_;
1374 1384
1385 local $self->{deny_reset} = 1; # loading can take a long time
1386
1375 my $path = $self->{path}; 1387 my $path = $self->{path};
1376 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1388 my $guard = cf::lock_acquire "map_load:$path";
1377 1389
1378 return if $self->in_memory != cf::MAP_SWAPPED; 1390 return if $self->in_memory != cf::MAP_SWAPPED;
1379 1391
1380 $self->in_memory (cf::MAP_LOADING); 1392 $self->in_memory (cf::MAP_LOADING);
1381 1393
1382 $self->alloc; 1394 $self->alloc;
1395
1396 $self->pre_load;
1397
1383 $self->load_objects ($self->{load_path}, 1) 1398 $self->_load_objects ($self->{load_path}, 1)
1384 or return; 1399 or return;
1385 1400
1386 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1401 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387 if delete $self->{load_original}; 1402 if delete $self->{load_original};
1388 1403
1389 if (my $uniq = $path->uniq_path) { 1404 if (my $uniq = $self->uniq_path) {
1390 utf8::encode $uniq; 1405 utf8::encode $uniq;
1391 if (aio_open $uniq, O_RDONLY, 0) { 1406 if (aio_open $uniq, O_RDONLY, 0) {
1392 $self->clear_unique_items; 1407 $self->clear_unique_items;
1393 $self->load_objects ($uniq, 0); 1408 $self->_load_objects ($uniq, 0);
1394 } 1409 }
1395 } 1410 }
1396 1411
1397 Coro::cede; 1412 Coro::cede;
1398 1413
1399 # now do the right thing for maps 1414 # now do the right thing for maps
1400 $self->link_multipart_objects; 1415 $self->link_multipart_objects;
1401 1416
1402 if ($self->{path}->is_style_map) { 1417 unless ($self->{deny_activate}) {
1403 $self->{deny_save} = 1; 1418 $self->decay_objects;
1404 $self->{deny_reset} = 1;
1405 } else {
1406 $self->fix_auto_apply; 1419 $self->fix_auto_apply;
1407 $self->decay_objects;
1408 $self->update_buttons; 1420 $self->update_buttons;
1421 Coro::cede;
1409 $self->set_darkness_map; 1422 $self->set_darkness_map;
1410 $self->difficulty ($self->estimate_difficulty) 1423 $self->difficulty ($self->estimate_difficulty)
1411 unless $self->difficulty; 1424 unless $self->difficulty;
1425 Coro::cede;
1412 $self->activate; 1426 $self->activate;
1413 } 1427 }
1414 1428
1415 Coro::cede; 1429 $self->post_load;
1416 1430
1417 $self->in_memory (cf::MAP_IN_MEMORY); 1431 $self->in_memory (cf::MAP_IN_MEMORY);
1432}
1433
1434sub customise_for {
1435 my ($self, $ob) = @_;
1436
1437 return find "~" . $ob->name . "/" . $self->{path}
1438 if $self->per_player;
1439
1440 $self
1418} 1441}
1419 1442
1420# find and load all maps in the 3x3 area around a map 1443# find and load all maps in the 3x3 area around a map
1421sub load_diag { 1444sub load_diag {
1422 my ($map) = @_; 1445 my ($map) = @_;
1452 1475
1453 cf::sync_job { $map->load }; 1476 cf::sync_job { $map->load };
1454} 1477}
1455 1478
1456our %MAP_PREFETCH; 1479our %MAP_PREFETCH;
1457our $MAP_PREFETCHER = Coro::async { 1480our $MAP_PREFETCHER = undef;
1458 while () {
1459 while (%MAP_PREFETCH) {
1460 my $key = each %MAP_PREFETCH
1461 or next;
1462 my $path = delete $MAP_PREFETCH{$key};
1463
1464 my $map = find $path
1465 or next;
1466 $map->load;
1467 }
1468 Coro::schedule;
1469 }
1470};
1471 1481
1472sub find_async { 1482sub find_async {
1473 my ($path, $origin) = @_; 1483 my ($path, $origin) = @_;
1474 1484
1475 $path = new cf::path $path, $origin && $origin->path; 1485 $path = normalise $path, $origin && $origin->{path};
1476 my $key = $path->as_string;
1477 1486
1478 if (my $map = $cf::MAP{$key}) { 1487 if (my $map = $cf::MAP{$path}) {
1479 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1488 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480 } 1489 }
1481 1490
1482 $MAP_PREFETCH{$key} = $path; 1491 undef $MAP_PREFETCH{$path};
1492 $MAP_PREFETCHER ||= cf::async {
1493 while (%MAP_PREFETCH) {
1494 for my $path (keys %MAP_PREFETCH) {
1495 my $map = find $path
1496 or next;
1497 $map->load;
1498
1499 delete $MAP_PREFETCH{$path};
1500 }
1501 }
1502 undef $MAP_PREFETCHER;
1503 };
1483 $MAP_PREFETCHER->ready; 1504 $MAP_PREFETCHER->prio (6);
1484 1505
1485 () 1506 ()
1486} 1507}
1487 1508
1488sub save { 1509sub save {
1492 1513
1493 $self->{last_save} = $cf::RUNTIME; 1514 $self->{last_save} = $cf::RUNTIME;
1494 1515
1495 return unless $self->dirty; 1516 return unless $self->dirty;
1496 1517
1497 my $save = $self->{path}->save_path; utf8::encode $save; 1518 my $save = $self->save_path; utf8::encode $save;
1498 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1519 my $uniq = $self->uniq_path; utf8::encode $uniq;
1499 1520
1500 $self->{load_path} = $save; 1521 $self->{load_path} = $save;
1501 1522
1502 return if $self->{deny_save}; 1523 return if $self->{deny_save};
1503 1524
1506 cf::async { 1527 cf::async {
1507 $_->contr->save for $self->players; 1528 $_->contr->save for $self->players;
1508 }; 1529 };
1509 1530
1510 if ($uniq) { 1531 if ($uniq) {
1511 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1532 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512 $self->save_objects ($uniq, cf::IO_UNIQUES); 1533 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1513 } else { 1534 } else {
1514 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1535 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515 } 1536 }
1516} 1537}
1517 1538
1518sub swap_out { 1539sub swap_out {
1519 my ($self) = @_; 1540 my ($self) = @_;
1533 1554
1534sub reset_at { 1555sub reset_at {
1535 my ($self) = @_; 1556 my ($self) = @_;
1536 1557
1537 # TODO: safety, remove and allow resettable per-player maps 1558 # TODO: safety, remove and allow resettable per-player maps
1538 return 1e99 if $self->{path}{user_rel}; 1559 return 1e99 if $self->isa ("ext::map_per_player");#d#
1539 return 1e99 if $self->{deny_reset}; 1560 return 1e99 if $self->{deny_reset};
1540 1561
1541 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1562 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1563 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543 1564
1548 my ($self) = @_; 1569 my ($self) = @_;
1549 1570
1550 $self->reset_at <= $cf::RUNTIME 1571 $self->reset_at <= $cf::RUNTIME
1551} 1572}
1552 1573
1553sub unlink_save {
1554 my ($self) = @_;
1555
1556 utf8::encode (my $save = $self->{path}->save_path);
1557 aioreq_pri 3; IO::AIO::aio_unlink $save;
1558 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559}
1560
1561sub rename {
1562 my ($self, $new_path) = @_;
1563
1564 $self->unlink_save;
1565
1566 delete $cf::MAP{$self->path};
1567 $self->{path} = new cf::path $new_path;
1568 $self->path ($self->{path}->as_string);
1569 $cf::MAP{$self->path} = $self;
1570
1571 $self->save;
1572}
1573
1574sub reset { 1574sub reset {
1575 my ($self) = @_; 1575 my ($self) = @_;
1576 1576
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 1577 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 1578
1579 return if $self->players; 1579 return if $self->players;
1580 return if $self->{path}{user_rel};#d# 1580 return if $self->isa ("ext::map_per_player");#d#
1581 1581
1582 warn "resetting map ", $self->path;#d# 1582 warn "resetting map ", $self->path;#d#
1583 1583
1584 delete $cf::MAP{$self->path}; 1584 delete $cf::MAP{$self->path};
1585
1586 $self->in_memory (cf::MAP_SWAPPED);
1587 $self->clear;
1585 1588
1586 $_->clear_links_to ($self) for values %cf::MAP; 1589 $_->clear_links_to ($self) for values %cf::MAP;
1587 1590
1588 $self->unlink_save; 1591 $self->unlink_save;
1589 $self->destroy; 1592 $self->destroy;
1592my $nuke_counter = "aaaa"; 1595my $nuke_counter = "aaaa";
1593 1596
1594sub nuke { 1597sub nuke {
1595 my ($self) = @_; 1598 my ($self) = @_;
1596 1599
1600 delete $cf::MAP{$self->path};
1601
1602 $self->unlink_save;
1603
1604 bless $self, "cf::map";
1605 delete $self->{deny_reset};
1597 $self->{deny_save} = 1; 1606 $self->{deny_save} = 1;
1598 $self->reset_timeout (1); 1607 $self->reset_timeout (1);
1599 $self->rename ("{nuke}/" . ($nuke_counter++)); 1608 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609
1610 $cf::MAP{$self->path} = $self;
1611
1600 $self->reset; # polite request, might not happen 1612 $self->reset; # polite request, might not happen
1601} 1613}
1602 1614
1603sub customise_for {
1604 my ($map, $ob) = @_;
1605
1606 if ($map->per_player) {
1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608 }
1609
1610 $map
1611}
1612
1613=item cf::map::unique_maps 1615=item cf::map::unique_maps
1614 1616
1615Returns an arrayref of cf::path's of all shared maps that have 1617Returns an arrayref of paths of all shared maps that have
1616instantiated unique items. May block. 1618instantiated unique items. May block.
1617 1619
1618=cut 1620=cut
1619 1621
1620sub unique_maps() { 1622sub unique_maps() {
1626 for (@$files) { 1628 for (@$files) {
1627 utf8::decode $_; 1629 utf8::decode $_;
1628 next if /\.pst$/; 1630 next if /\.pst$/;
1629 next unless /^$PATH_SEP/o; 1631 next unless /^$PATH_SEP/o;
1630 1632
1633 s/\.map$//;
1631 push @paths, new cf::path $_; 1634 push @paths, $_;
1632 } 1635 }
1633 1636
1634 \@paths 1637 \@paths
1635} 1638}
1636 1639
1711 1714
1712=item $player_object->enter_link 1715=item $player_object->enter_link
1713 1716
1714Freezes the player and moves him/her to a special map (C<{link}>). 1717Freezes the player and moves him/her to a special map (C<{link}>).
1715 1718
1716The player should be reaosnably safe there for short amounts of time. You 1719The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1720I<MUST> call C<leave_link> as soon as possible, though.
1718 1721
1722Will never block.
1723
1719=item $player_object->leave_link ($map, $x, $y) 1724=item $player_object->leave_link ($map, $x, $y)
1720 1725
1721Moves the player out of the specila link map onto the given map. If the 1726Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1727map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1728to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1729fails, to the emergency map position.
1725 1730
1726Might block. 1731Might block.
1727 1732
1728=cut 1733=cut
1734
1735sub link_map {
1736 unless ($LINK_MAP) {
1737 $LINK_MAP = cf::map::find "{link}"
1738 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1739 $LINK_MAP->load;
1740 }
1741
1742 $LINK_MAP
1743}
1729 1744
1730sub cf::object::player::enter_link { 1745sub cf::object::player::enter_link {
1731 my ($self) = @_; 1746 my ($self) = @_;
1732 1747
1733 $self->deactivate_recursive; 1748 $self->deactivate_recursive;
1734 1749
1735 return if $self->map == $LINK_MAP; 1750 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1751
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1752 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1753 if $self->map;
1739 1754
1740 $self->enter_map ($LINK_MAP, 20, 20); 1755 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1756}
1742 1757
1743sub cf::object::player::leave_link { 1758sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1759 my ($self, $map, $x, $y) = @_;
1745 1760
1809=cut 1824=cut
1810 1825
1811sub cf::object::player::goto { 1826sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1827 my ($self, $path, $x, $y) = @_;
1813 1828
1814 $path = new cf::path $path;
1815
1816 $self->enter_link; 1829 $self->enter_link;
1817 1830
1818 (async { 1831 (async {
1832 my $map = eval {
1819 my $map = cf::map::find $path->as_string; 1833 my $map = cf::map::find $path;
1820 $map = $map->customise_for ($self) if $map; 1834 $map = $map->customise_for ($self) if $map;
1821 1835 $map
1822# warn "entering ", $map->path, " at ($x, $y)\n" 1836 } or
1823# if $map;
1824
1825 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1837 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826 1838
1827 $self->leave_link ($map, $x, $y); 1839 $self->leave_link ($map, $x, $y);
1828 })->prio (1); 1840 })->prio (1);
1829} 1841}
1830 1842
1834 1846
1835sub parse_random_map_params { 1847sub parse_random_map_params {
1836 my ($spec) = @_; 1848 my ($spec) = @_;
1837 1849
1838 my $rmp = { # defaults 1850 my $rmp = { # defaults
1839 xsize => 10, 1851 xsize => (cf::rndm 15, 40),
1840 ysize => 10, 1852 ysize => (cf::rndm 15, 40),
1853 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1854 #layout => string,
1841 }; 1855 };
1842 1856
1843 for (split /\n/, $spec) { 1857 for (split /\n/, $spec) {
1844 my ($k, $v) = split /\s+/, $_, 2; 1858 my ($k, $v) = split /\s+/, $_, 2;
1845 1859
1849 $rmp 1863 $rmp
1850} 1864}
1851 1865
1852sub prepare_random_map { 1866sub prepare_random_map {
1853 my ($exit) = @_; 1867 my ($exit) = @_;
1868
1869 my $guard = cf::lock_acquire "exit_prepare:$exit";
1854 1870
1855 # all this does is basically replace the /! path by 1871 # all this does is basically replace the /! path by
1856 # a new random map path (?random/...) with a seed 1872 # a new random map path (?random/...) with a seed
1857 # that depends on the exit object 1873 # that depends on the exit object
1858 1874
1867 1883
1868 $rmp->{random_seed} ||= $exit->random_seed; 1884 $rmp->{random_seed} ||= $exit->random_seed;
1869 1885
1870 my $data = cf::to_json $rmp; 1886 my $data = cf::to_json $rmp;
1871 my $md5 = Digest::MD5::md5_hex $data; 1887 my $md5 = Digest::MD5::md5_hex $data;
1888 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872 1889
1873 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1890 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874 aio_write $fh, 0, (length $data), $data, 0; 1891 aio_write $fh, 0, (length $data), $data, 0;
1892 undef $fh;
1893 aio_rename "$meta~", $meta;
1875 1894
1876 $exit->slaying ("?random/$md5"); 1895 $exit->slaying ("?random/$md5");
1877 $exit->msg (undef); 1896 $exit->msg (undef);
1878 } 1897 }
1879} 1898}
1880 1899
1881sub cf::object::player::enter_exit { 1900sub cf::object::player::enter_exit {
1882 my ($self, $exit) = @_; 1901 my ($self, $exit) = @_;
1883 1902
1884 return unless $self->type == cf::PLAYER; 1903 return unless $self->type == cf::PLAYER;
1904
1905 if ($exit->slaying eq "/!") {
1906 #TODO: this should de-fi-ni-te-ly not be a sync-job
1907 cf::sync_job { prepare_random_map $exit };
1908 }
1909
1910 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911 my $hp = $exit->stats->hp;
1912 my $sp = $exit->stats->sp;
1885 1913
1886 $self->enter_link; 1914 $self->enter_link;
1887 1915
1888 (async { 1916 (async {
1889 $self->deactivate_recursive; # just to be sure 1917 $self->deactivate_recursive; # just to be sure
1890 unless (eval { 1918 unless (eval {
1891 prepare_random_map $exit 1919 $self->goto ($slaying, $hp, $sp);
1892 if $exit->slaying eq "/!";
1893
1894 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896 1920
1897 1; 1921 1;
1898 }) { 1922 }) {
1899 $self->message ("Something went wrong deep within the crossfire server. " 1923 $self->message ("Something went wrong deep within the crossfire server. "
1900 . "I'll try to bring you back to the map you were before. " 1924 . "I'll try to bring you back to the map you were before. "
2189 sub db_sync() { 2213 sub db_sync() {
2190 db_save if $dirty; 2214 db_save if $dirty;
2191 undef $dirty; 2215 undef $dirty;
2192 } 2216 }
2193 2217
2194 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2218 my $idle = Event->idle (
2195 db_sync; 2219 reentrant => 0,
2220 min => 10,
2221 max => 20,
2222 repeat => 0,
2223 data => WF_AUTOCANCEL,
2224 cb => \&db_sync,
2196 }); 2225 );
2197 2226
2198 sub db_dirty() { 2227 sub db_dirty() {
2199 $dirty = 1; 2228 $dirty = 1;
2200 $idle->start; 2229 $idle->start;
2201 } 2230 }
2249 2278
2250sub main { 2279sub main {
2251 # we must not ever block the main coroutine 2280 # we must not ever block the main coroutine
2252 local $Coro::idle = sub { 2281 local $Coro::idle = sub {
2253 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2282 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283 (async {
2254 async { Event::one_event }; 2284 Event::one_event;
2285 })->prio (Coro::PRIO_MAX);
2255 }; 2286 };
2256 2287
2257 cfg_load; 2288 cfg_load;
2258 db_load; 2289 db_load;
2259 load_extensions; 2290 load_extensions;
2291
2292 $TICK_WATCHER->start;
2260 Event::loop; 2293 Event::loop;
2261} 2294}
2262 2295
2263############################################################################# 2296#############################################################################
2264# initialisation and cleanup 2297# initialisation and cleanup
2265 2298
2266# install some emergency cleanup handlers 2299# install some emergency cleanup handlers
2267BEGIN { 2300BEGIN {
2268 for my $signal (qw(INT HUP TERM)) { 2301 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal ( 2302 Event->signal (
2303 reentrant => 0,
2270 data => WF_AUTOCANCEL, 2304 data => WF_AUTOCANCEL,
2271 signal => $signal, 2305 signal => $signal,
2306 prio => 0,
2272 cb => sub { 2307 cb => sub {
2273 cf::cleanup "SIG$signal"; 2308 cf::cleanup "SIG$signal";
2274 }, 2309 },
2275 ); 2310 );
2276 } 2311 }
2277} 2312}
2282 warn "enter emergency perl save\n"; 2317 warn "enter emergency perl save\n";
2283 2318
2284 cf::sync_job { 2319 cf::sync_job {
2285 # use a peculiar iteration method to avoid tripping on perl 2320 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players 2321 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously. 2322 # and maps saved/destroyed asynchronously.
2288 warn "begin emergency player save\n"; 2323 warn "begin emergency player save\n";
2289 for my $login (keys %cf::PLAYER) { 2324 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next; 2325 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next; 2326 $pl->valid or next;
2292 $pl->save; 2327 $pl->save;
2306} 2341}
2307 2342
2308sub reload() { 2343sub reload() {
2309 # can/must only be called in main 2344 # can/must only be called in main
2310 if ($Coro::current != $Coro::main) { 2345 if ($Coro::current != $Coro::main) {
2311 warn "can only reload from main coroutine\n"; 2346 warn "can only reload from main coroutine";
2312 return; 2347 return;
2313 } 2348 }
2314 2349
2315 warn "reloading..."; 2350 warn "reloading...";
2316 2351
2317 warn "freezing server"; 2352 warn "cancelling server ticker";
2318 my $guard = freeze_mainloop; 2353 $TICK_WATCHER->cancel;
2354
2319 cf::emergency_save; 2355 cf::emergency_save;
2320
2321 warn "sync database to disk";
2322 cf::db_sync;
2323 IO::AIO::flush;
2324 2356
2325 eval { 2357 eval {
2326 # if anything goes wrong in here, we should simply crash as we already saved 2358 # if anything goes wrong in here, we should simply crash as we already saved
2327 2359
2360 warn "syncing database to disk";
2361 cf::db_sync;
2362
2328 warn "cancel all watchers"; 2363 warn "cancelling all WF_AUTOCANCEL watchers";
2329 for (Event::all_watchers) { 2364 for (Event::all_watchers) {
2330 $_->cancel if $_->data & WF_AUTOCANCEL; 2365 $_->cancel if $_->data & WF_AUTOCANCEL;
2331 } 2366 }
2332 2367
2368 warn "flushing outstanding aio requests";
2369 for (;;) {
2370 IO::AIO::flush;
2371 Coro::cede;
2372 last unless IO::AIO::nreqs;
2373 warn "iterate...";
2374 }
2375
2333 warn "cancel all extension coros"; 2376 warn "cancelling all extension coros";
2334 $_->cancel for values %EXT_CORO; 2377 $_->cancel for values %EXT_CORO;
2335 %EXT_CORO = (); 2378 %EXT_CORO = ();
2336 2379
2337 warn "remove commands"; 2380 warn "removing commands";
2338 %COMMAND = (); 2381 %COMMAND = ();
2339 2382
2340 warn "remove ext commands"; 2383 warn "removing ext commands";
2341 %EXTCMD = (); 2384 %EXTCMD = ();
2342 2385
2343 warn "unload/nuke all extensions"; 2386 warn "unloading/nuking all extensions";
2344 for my $pkg (@EXTS) { 2387 for my $pkg (@EXTS) {
2345 warn "... unloading $pkg"; 2388 warn "... unloading $pkg";
2346 2389
2347 if (my $cb = $pkg->can ("unload")) { 2390 if (my $cb = $pkg->can ("unload")) {
2348 eval { 2391 eval {
2353 2396
2354 warn "... nuking $pkg"; 2397 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg; 2398 Symbol::delete_package $pkg;
2356 } 2399 }
2357 2400
2358 warn "unload all perl modules loaded from $LIBDIR"; 2401 warn "unloading all perl modules loaded from $LIBDIR";
2359 while (my ($k, $v) = each %INC) { 2402 while (my ($k, $v) = each %INC) {
2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2403 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361 2404
2362 warn "removing <$k>"; 2405 warn "... unloading $k";
2363 delete $INC{$k}; 2406 delete $INC{$k};
2364 2407
2365 $k =~ s/\.pm$//; 2408 $k =~ s/\.pm$//;
2366 $k =~ s/\//::/g; 2409 $k =~ s/\//::/g;
2367 2410
2370 } 2413 }
2371 2414
2372 Symbol::delete_package $k; 2415 Symbol::delete_package $k;
2373 } 2416 }
2374 2417
2375 warn "get rid of safe::, as good as possible"; 2418 warn "getting rid of safe::, as good as possible";
2376 Symbol::delete_package "safe::$_" 2419 Symbol::delete_package "safe::$_"
2377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2420 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378 2421
2379 warn "unload cf.pm \"a bit\""; 2422 warn "unloading cf.pm \"a bit\"";
2380 delete $INC{"cf.pm"}; 2423 delete $INC{"cf.pm"};
2381 2424
2382 # don't, removes xs symbols, too, 2425 # don't, removes xs symbols, too,
2383 # and global variables created in xs 2426 # and global variables created in xs
2384 #Symbol::delete_package __PACKAGE__; 2427 #Symbol::delete_package __PACKAGE__;
2385 2428
2429 warn "unload completed, starting to reload now";
2430
2386 warn "reloading cf.pm"; 2431 warn "reloading cf.pm";
2387 require cf; 2432 require cf;
2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2433 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389 2434
2390 warn "load config and database again"; 2435 warn "loading config and database again";
2391 cf::cfg_load; 2436 cf::cfg_load;
2392 cf::db_load; 2437 cf::db_load;
2393 2438
2394 warn "load extensions"; 2439 warn "loading extensions";
2395 cf::load_extensions; 2440 cf::load_extensions;
2396 2441
2397 warn "reattach attachments to objects/players"; 2442 warn "reattaching attachments to objects/players";
2398 _global_reattach; 2443 _global_reattach;
2399 warn "reattach attachments to maps"; 2444 warn "reattaching attachments to maps";
2400 reattach $_ for values %MAP; 2445 reattach $_ for values %MAP;
2446
2447 warn "restarting server ticker";
2448
2449 $TICK_WATCHER->start;
2401 }; 2450 };
2402 2451
2403 if ($@) { 2452 if ($@) {
2404 warn $@; 2453 warn $@;
2405 warn "error while reloading, exiting."; 2454 warn "error while reloading, exiting.";
2407 } 2456 }
2408 2457
2409 warn "reloaded"; 2458 warn "reloaded";
2410}; 2459};
2411 2460
2412############################################################################# 2461our $RELOAD_WATCHER; # used only during reload
2413
2414unless ($LINK_MAP) {
2415 $LINK_MAP = cf::map::new;
2416
2417 $LINK_MAP->width (41);
2418 $LINK_MAP->height (41);
2419 $LINK_MAP->alloc;
2420 $LINK_MAP->path ("{link}");
2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424 # dirty hack because... archetypes are not yet loaded
2425 Event->timer (
2426 after => 10,
2427 cb => sub {
2428 $_[0]->w->cancel;
2429
2430 # provide some exits "home"
2431 my $exit = cf::object::new "exit";
2432
2433 $exit->slaying ($EMERGENCY_POSITION->[0]);
2434 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437 $LINK_MAP->insert ($exit->clone, 19, 19);
2438 $LINK_MAP->insert ($exit->clone, 19, 20);
2439 $LINK_MAP->insert ($exit->clone, 19, 21);
2440 $LINK_MAP->insert ($exit->clone, 20, 19);
2441 $LINK_MAP->insert ($exit->clone, 20, 21);
2442 $LINK_MAP->insert ($exit->clone, 21, 19);
2443 $LINK_MAP->insert ($exit->clone, 21, 20);
2444 $LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446 $exit->destroy;
2447 });
2448
2449 $LINK_MAP->{deny_save} = 1;
2450 $LINK_MAP->{deny_reset} = 1;
2451
2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453}
2454 2462
2455register_command "reload" => sub { 2463register_command "reload" => sub {
2456 my ($who, $arg) = @_; 2464 my ($who, $arg) = @_;
2457 2465
2458 if ($who->flag (FLAG_WIZ)) { 2466 if ($who->flag (FLAG_WIZ)) {
2459 $who->message ("start of reload."); 2467 $who->message ("reloading server.");
2468
2469 # doing reload synchronously and two reloads happen back-to-back,
2470 # coro crashes during coro_state_free->destroy here.
2471
2472 $RELOAD_WATCHER ||= Event->timer (
2473 reentrant => 0,
2474 after => 0,
2475 data => WF_AUTOCANCEL,
2476 cb => sub {
2460 reload; 2477 reload;
2461 $who->message ("end of reload."); 2478 undef $RELOAD_WATCHER;
2479 },
2480 );
2462 } 2481 }
2463}; 2482};
2464 2483
2465unshift @INC, $LIBDIR; 2484unshift @INC, $LIBDIR;
2485
2486my $bug_warning = 0;
2466 2487
2467$TICK_WATCHER = Event->timer ( 2488$TICK_WATCHER = Event->timer (
2468 reentrant => 0, 2489 reentrant => 0,
2490 parked => 1,
2469 prio => 0, 2491 prio => 0,
2470 at => $NEXT_TICK || $TICK, 2492 at => $NEXT_TICK || $TICK,
2471 data => WF_AUTOCANCEL, 2493 data => WF_AUTOCANCEL,
2472 cb => sub { 2494 cb => sub {
2495 if ($Coro::current != $Coro::main) {
2496 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497 unless ++$bug_warning > 10;
2498 return;
2499 }
2500
2501 $NOW = Event::time;
2502
2473 cf::server_tick; # one server iteration 2503 cf::server_tick; # one server iteration
2474 $RUNTIME += $TICK; 2504 $RUNTIME += $TICK;
2475 $NEXT_TICK += $TICK; 2505 $NEXT_TICK += $TICK;
2476 2506
2477 $WAIT_FOR_TICK->broadcast; 2507 $WAIT_FOR_TICK->broadcast;
2478 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2508 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2509
2510 Event::sweep;
2511 Coro::cede_notself;
2512
2513# my $AFTER = Event::time;
2514# warn $AFTER - $NOW;#d#
2479 2515
2480 # if we are delayed by four ticks or more, skip them all 2516 # if we are delayed by four ticks or more, skip them all
2481 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2517 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2482 2518
2483 $TICK_WATCHER->at ($NEXT_TICK); 2519 $TICK_WATCHER->at ($NEXT_TICK);
2484 $TICK_WATCHER->start; 2520 $TICK_WATCHER->start;
2485 }, 2521 },
2486); 2522);
2487 2523
2488IO::AIO::max_poll_time $TICK * 0.2; 2524IO::AIO::max_poll_time $TICK * 0.1;
2489 2525
2490Event->io ( 2526undef $Coro::AIO::WATCHER;
2527$AIO_POLL_WATCHER = Event->io (
2528 reentrant => 0,
2491 fd => IO::AIO::poll_fileno, 2529 fd => IO::AIO::poll_fileno,
2492 poll => 'r', 2530 poll => 'r',
2493 prio => 5, 2531 prio => 6,
2494 data => WF_AUTOCANCEL, 2532 data => WF_AUTOCANCEL,
2495 cb => \&IO::AIO::poll_cb, 2533 cb => \&IO::AIO::poll_cb,
2496); 2534);
2497 2535
2498Event->timer ( 2536$WRITE_RUNTIME_WATCHER = Event->timer (
2537 reentrant => 0,
2499 data => WF_AUTOCANCEL, 2538 data => WF_AUTOCANCEL,
2500 after => 0, 2539 after => 1,
2501 interval => 10, 2540 interval => 10,
2502 cb => sub { 2541 prio => 6, # keep it lowest so it acts like a watchdog
2503 (Coro::unblock_sub { 2542 cb => Coro::unblock_sub {
2504 write_runtime 2543 write_runtime
2505 or warn "ERROR: unable to write runtime file: $!"; 2544 or warn "ERROR: unable to write runtime file: $!";
2506 })->();
2507 }, 2545 },
2508); 2546);
2509 2547
2510END { cf::emergency_save } 2548END { cf::emergency_save }
2511 2549

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